remove trailing spaces in javascript code example

Example 1: javascript trim

var str=" I have outer spaces ";
var cleanStr=str.trim();//trim() returns string with outer spaces removed

Example 2: remove space from string javascript

var str = "       Hello World!        ";
alert(str.trim());

Example 3: javascript remove first space in string

//use trim() on your string. It removes first and last whitepsaces

let str = " aa bb    ";
console.log(str.trim()); // "aa bb"